Find answers, ask questions, and share your expertise. Created 06-17-2016 09:19 AM. Click "Launch Cloudera Express" icon on the Desktop. If possible, share a screen shot of errors or warnings. - I have in/var/log/cloudera-scm-server/cloudera-scm-server.log the following error: ERROR main:com.cloudera.server.cmf.Main: Server failed.org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.cloudera.server.cmf.TrialState': Cannot resolve reference to bean 'entityManagerFactoryBean' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactoryBean': FactoryBean threw exception on object creation; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: cmf.server] Unable to build EntityManagerFactory. If issue is resolve, then lets close this. * Click the Configuration button on the right of the page. Localhost:7180 Connection Refused Cloudera Manager, Check out our newest addition to the community, the, https://www.digitalocean.com/community/tutorials/how-to-create-a-sudo-user-on-ubuntu-quickstart, Cloudera Operational Database (COD) supports enabling custom recipes using CDP CLI Beta, Cloudera Streaming Analytics (CSA) 1.10 introduces new built-in widget for data visualization and has been rebased onto Apache Flink 1.16, CDP Public Cloud: June 2023 Release Summary, Cloudera Data Engineering (CDE) 1.19 in Public Cloud introduces interactive Spark development sessions, Cloudera DataFlow 2.5 supports latest NiFi version, new flow metric based auto-scaling, new Designer capabilities and in-place upgrades are now GA. 04:35 PM, Created Members tend to ignore basic steps that are vital. Lowercase and FQDN, Created Please help me if u have found some soution to this. Created This issue can be resolved in 2 ways. Just its throwong letter P along with special characters. Created 11:05 PM, First please see the status of service using this command. 07:37 PM, Created 01:29 AM This used to work earlier, so the Morphline and the collection are fine. Some plugins may be not loaded, 2018-01-11 8:22:43 140075450689504 [ERROR] Unknown/unsupported storage engine: InnoDB, 2018-01-11 8:22:43 140075450689504 [ERROR] Aborting. https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.1.0/bk_ambari-installation/content/ch_Getting_R Cloudera Operational Database (COD) supports enabling custom recipes using CDP CLI Beta, Cloudera Streaming Analytics (CSA) 1.10 introduces new built-in widget for data visualization and has been rebased onto Apache Flink 1.16, CDP Public Cloud: June 2023 Release Summary, Cloudera Data Engineering (CDE) 1.19 in Public Cloud introduces interactive Spark development sessions, Cloudera DataFlow 2.5 supports latest NiFi version, new flow metric based auto-scaling, new Designer capabilities and in-place upgrades are now GA, I could connect to HDFS rest interface from the command line internal to the cluster using curl, I could run the UI for HDFS from internal to the cluster using xwindows enabled putty an XMing, OpenSSL form internal returned 0 for the HDFS connection, No external connection to the could be made using curl/openssl/telnet to HDFS, The ResourceManager and JobHistory UI's both worked fine, We had a firewall but even when disabled the connection to HDFS failed. Please check your /etc/hosts on all nodes. 10:44 PM. Any help will be greatly appreciated. 09:59 PM. 07:57 PM, Created I'm not sure how the status of NTP on Browsing Host (which is not part of cluster) can affect the operation of cluster? 05-18-2018 Does it work if you try to connect using the IP address or the hostname instead of local host? 11:08 PM. I have checked the below and it all looks good. Find answers, ask questions, and share your expertise, postgres Connection: Error - Connection refused, Check out our newest addition to the community, the, Cloudera Operational Database (COD) supports enabling custom recipes using CDP CLI Beta, Cloudera Streaming Analytics (CSA) 1.10 introduces new built-in widget for data visualization and has been rebased onto Apache Flink 1.16, CDP Public Cloud: June 2023 Release Summary, Cloudera Data Engineering (CDE) 1.19 in Public Cloud introduces interactive Spark development sessions, Cloudera DataFlow 2.5 supports latest NiFi version, new flow metric based auto-scaling, new Designer capabilities and in-place upgrades are now GA. $ hadoop jar /opt/cloudera/parcels/CDH-5.0.0-1.cdh5.0.0.p0.47/lib/solr/contrib/mr/search-mr-1.0.0-cdh5.0.eIndexerTool -Dmapred.child.java.opts=-Xmx2G --log4j log4j.properties --morphline-file morphline.tamapdox.conf --output-dir hdfs://tamapdox.data.output --mappers 1 --reducers 1 --go-live --update-conflict-resolver org.apache.solr.hadoop.dedup.RetainMostRecentU03:2181/solr --verbose --collection tamapdox hdfs://mfhadoopt03:8020/user/mftamap/solr/tamap/tamapdox.data20 [main] INFO org.apache.solr.common.cloud.ConnectionManager Waiting for client to connect to ZooKeeper16 [main-EventThread] INFO org.apache.solr.common.cloud.ConnectionManager Watcher org.apache.solr.common.cloud.ConnectionMantcher:mfhadoopt03:2181/solr got event WatchedEvent state:SyncConnected type:None path:null path:null type:None17 [main] INFO org.apache.solr.common.cloud.ConnectionManager Client is connected to ZooKeeper29 [main] INFO org.apache.solr.common.cloud.ZkStateReader Updating cluster state from ZooKeeper1210745 [main] WARN org.apache.hadoop.security.UserGroupInformation PriviledgedActionException as:mftamap (auth:SIMPLE) cause:java.net.ConnectException: Call From localhost.localdomain/127.0.0.1 to localhost.localdomain:8032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefusedException in thread "main" java.net.ConnectException: Call From localhost.localdomain/127.0.0.1 to localhost.localdomain:8032 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused at sun.reflect.GeneratedConstructorAccessor3.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:783) at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:730) at org.apache.hadoop.ipc.Client.call(Client.java:1413) at org.apache.hadoop.ipc.Client.call(Client.java:1362) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206) at com.sun.proxy.$Proxy10.getClusterMetrics(Unknown Source) at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getClusterMetrics(ApplicationClientProtocolPBClientImpl.java:157) at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) at com.sun.proxy.$Proxy11.getClusterMetrics(Unknown Source) at org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getYarnClusterMetrics(YarnClientImpl.java:295) at org.apache.hadoop.mapred.ResourceMgrDelegate.getClusterMetrics(ResourceMgrDelegate.java:139) at org.apache.hadoop.mapred.YARNRunner.getClusterMetrics(YARNRunner.java:178) at org.apache.hadoop.mapreduce.Cluster.getClusterStatus(Cluster.java:246) at org.apache.hadoop.mapred.JobClient$3.run(JobClient.java:719) at org.apache.hadoop.mapred.JobClient$3.run(JobClient.java:717) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) at org.apache.hadoop.mapred.JobClient.getClusterStatus(JobClient.java:717) at org.apache.solr.hadoop.MapReduceIndexerTool.run(MapReduceIndexerTool.java:670) at org.apache.solr.hadoop.MapReduceIndexerTool.run(MapReduceIndexerTool.java:633) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.solr.hadoop.MapReduceIndexerTool.main(MapReduceIndexerTool.java:620) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.util.RunJar.main(RunJar.java:212)Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:735) at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:529) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:493) at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:604) at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:699) at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:367) at org.apache.hadoop.ipc.Client.getConnection(Client.java:1461) at org.apache.hadoop.ipc.Client.call(Client.java:1380) 29 more, Created 10:00 PM. 06-14-2016 Your "data nodes have failed and are not registered with the name node", this is network problem. This is because when remote machine asks hbase server machine that where HMaster is running, it tells that it is running on . Created 05-31-2017 03:34 AM Hi, I have an issue with localhost connecton to cloudera manager web ui. 05-18-2018 we see connnection refused. Anyone facing this issue. So 'service hadoop-hdfs-namenode restart' may be all you need. Created So here we provide a simple solution. let me know if it works. Env is Cloudera 6.1.2. I would recommend opening new threads for all of these as every issue here appears to differ and there would be no one solution. I had the same problem and it turned out that the IP I had been using all along, the 192.168.56.101 was actually the Windows interface IP and the host OS IP was 192.168.56.103. 05-18-2018 11-20-2017 YES the status shows stopped. sudo service hadoop-hdfs-
